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Westinghouse
Gas Pressure Washer

Model # WP2300 Official Westinghouse power washer

Here are the diagrams and repair parts for Official Westinghouse WP2300 power washer, as well as links to manuals and error code tables, if available.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 160 parts  |
Return Spring 170027
#9

Engine diagram

Return spring

Part #170027

The manufacturer no longer makes this part, and there's no substitute part

Valve Cover 180175
#116

Engine diagram

Valve cover

Part #180175

The manufacturer no longer makes this part, and there's no substitute part

Air Filter 160017
#92

Engine diagram

Air filter

Part #160017

The manufacturer no longer makes this part, and there's no substitute part

Stud M6x76 170033
#15

Engine diagram

Stud m6x76

Part #170033

The manufacturer no longer makes this part, and there's no substitute part

Fastness Was 230104
#39

Pump diagram

Fastness was

Part #230104

The manufacturer no longer makes this part, and there's no substitute part

Fuel Filter 150025
#40

Engine diagram

Fuel filter

Part #150025

The manufacturer no longer makes this part, and there's no substitute part

Water Seal W 230084
#18

Pump diagram

Water seal w

Part #230084

The manufacturer no longer makes this part, and there's no substitute part

Idler Arm Spring 180051
#45

Engine diagram

Idler arm spring

Part #180051

The manufacturer no longer makes this part, and there's no substitute part

Air Filter 180178
#94

Engine diagram

Air filter

Part #180178

The manufacturer no longer makes this part, and there's no substitute part

Valve Spring 230087
#21

Pump diagram

Valve spring

Part #230087

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

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Why won't my pressure washer mix in the detergent?

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai...

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Why is smoke coming from the pressure washer's exhaust?

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee...

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Why won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter...

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Why does my pressure washer's engine lose power?

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve...

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Why is the spray from my pressure washer weak?

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu...

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Why doesn't my pressure washer recoil starter work?

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston...

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Why does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator...

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Why won't my pressure washer engine start?

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re...

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Why does water spray out of my pressure washer's pressure relief valve?

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba...

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Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

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How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv...

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Repair difficulty
Time required
120 minutes or less
How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t...

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Repair difficulty
Time required
45 minutes or less
How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t...

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Repair difficulty
Time required
15 minutes or less

Effective articles & videos to help repair your pressure washers

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier....

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Tapping into a new feature in the Search Bar on Sears PartsDirect

Tapping into a new feature in the Search Bar on Sears PartsDirect

Learn about a new feature added to the Search Bar on Sears PartsDirect...

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Top questions about Sears and Sears PartsDirect

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